Hazrat Ali - Problem Solving

Recent Articles

Apr 03, 2026 • Leetcode

You are given an array of non-overlapping intervals intervals where intervals[i] = [starti, endi]

Apr 02, 2026 • Leetcode

Given two integer arrays inorder and postorder where inorder is the inorder traversal of a binary tree and postorder

Apr 01, 2026 • Leetcode

Suppose an array of length n sorted in ascending order is rotated between 1 and n times. For example, the array nums =

Mar 31, 2026 • Leetcode

Given four integer arrays nums1, nums2, nums3, and nums4 all of length n, return the number of tuples (i, j, k, l) such that:

Mar 30, 2026 • Leetcode

You are given an m x n integer matrix matrix with the following two properties:

Mar 29, 2026 • Leetcode

You are given an array of intervals, where intervals[i] = [starti, endi] and each starti is unique.